Looks like there are 10 of these ships from Excelerate. Also Finland is paying almost $500 million for a 10-year contract. That's for 5.5 million people. It's probably less expensive for many countries to do what Germany is doing and setup your own gasport like Argentina. There's other companies in the area developing similar facilities for liquid ammonia storage.

https://excelerateenergy.com/capabilities/fsru/

https://excelerateenergy.com/projects/bahia-blanca-gasport/